Aahoo Jahansouzshahi (born January 10, 1980), known professionally as Sarah Shahi, is an American actress and former model. She played Carmen on The L Word in 2005, Kate Reed in the USA Network legal drama Fairly Legal (2011–2012), and Sameen Shaw on the CBS crime drama Person of Interest (2012–2016). She has also appeared in the main role Det. Dani Reese in Life, and in a supporting role in Alias. In 2018, she starred in the series Reverie. In 2019, she appeared in a recurring role in City on a Hill on Showtime and appeared in seven episodes of the series The Rookie as romantic interest Jessica Russo.

Sarah Shahi plays as Billie Connelly in Sex/Life.
Sarah Shahi is the top #1 member of the cast and appears in 14 episodes.

Adam Demos is an Australian actor. He is best known for his role as Jake Taylor on the Netflix film Falling Inn Love, August Walker on the American television series Unreal and Nate Baldwin on Australian television series Janet King.

Adam Demos plays as Brad Simon in Sex/Life.
Adam Demos is the top #2 member of the cast and appears in 14 episodes.

Michael James Vogel (born July 17, 1979) is an American actor and former fashion model. Vogel began modeling jeans for the iconic Levi Strauss & Company. He was subsequently cast in the television series Grounded for Life, appearing in a recurring role between 2001 and 2004. His first film role was in the skateboarding-themed Grind (2003). In 2003, he starred as Heath in the made-for-television remake of Wuthering Heights, which premiered on MTV, and filmed his role in the remake of The Texas Chainsaw Massacre. In 2005, after Grounded for Life was canceled, Vogel appeared in four films, with the most notable roles as Eric Richman, the romantic interest of Blake Lively's character in The Sisterhood of the Traveling Pants, and a supporting role in Rumor Has It..., as Blake Burroughs, the son of Kevin Costner's character. He co-starred as Christian, the fiancé of Emmy Rossum's character in the disaster film Poseidon (2006), a remake of the 1972 film The Poseidon Adventure. Vogel was originally offered the role of Angel in X-Men: The Last Stand, but backed out to appear in Poseidon. From 2007 to 2009, he starred in the films The Deaths of Ian Stone, Across the Hall, and the horror film Open Graves. He co-starred as Jason Hawkins in Cloverfield (2008), Jack in She's Out of My League (2010), Bobby in Blue Valentine (2010), Johnny Foote in The Help (2011), and Dave Hansen in What's Your Number?. He had starring roles in several TV series as Chris Deleo on Miami Medical (2010), pilot Dean Lowrey on Pan Am (2011), Deputy Zack Shelby on Bates Motel (2013), Dale 'Barbie' Barbara on Under the Dome (2013), and Ricky Stormgren on the Syfy mini-series Childhood's End (2015). He starred in the Hallmark movie In My Dreams (2015), and the films Adult Interference (2017), The Case for Christ (2017), The Amendment (2018), and Secret Obsession (2019). He again had starring TV roles as Adam Salton on The Brave (2017) and Cooper Connelly on Sex/Life (2021). He co-starred as Lt. Sullivan in the film Fantasy Island (2020), a horror spin on the original 80's TV show.

Mike Vogel plays as Cooper Connelly in Sex/Life.
Mike Vogel is the top #3 member of the cast and appears in 14 episodes.

Margaret Odette plays as Sasha Snow in Sex/Life.
Margaret Odette is the top #4 member of the cast and appears in 14 episodes.

Li Jun Li is an actress, known for her portrayal Lady Fay Zhu in Babylon, Iris Chang in the ABC series Quantico, Rose Cooper in the Fox series The Exorcist, and Jenny Wah in the Netflix series Wu Assassins.

Li Jun Li plays as Francesca in Sex/Life.
Li Jun Li is the top #5 member of the cast and appears in 8 episodes.

Phoenix Reich plays as Hudson in Sex/Life.
Phoenix Reich is the top #6 member of the cast and appears in 8 episodes.

Jonathan Sadowski plays as Devon in Sex/Life.
Jonathan Sadowski is the top #7 member of the cast and appears in 8 episodes.

Meghan Heffern is a Canadian-American actress and producer.

Meghan Heffern plays as Caroline in Sex/Life.
Meghan Heffern is the top #8 member of the cast and appears in 8 episodes.

Joyce Rivera plays as Olga in Sex/Life.
Joyce Rivera is the top #9 member of the cast and appears in 8 episodes.